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2026-04-15 - 13:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Apr 15, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
153392126117,6sleep20-21swapper/219:05:442
15489212363,7sleep30-21swapper/319:07:423
156432119109,7sleep10-21swapper/119:09:401
15662211097,7sleep00-21swapper/019:09:550
325482680,1sleep3391ktimersoftd/321:15:203
83742550,1sleep38378-21kthreadcore20:55:183
15840993213,17cyclictest0-21swapper/021:50:120
1584699281,26cyclictest0-21swapper/221:38:352
1584699270,26cyclictest0-21swapper/223:35:272
1584699270,26cyclictest0-21swapper/219:33:582
1584399270,26cyclictest0-21swapper/123:36:211
1584399270,26cyclictest0-21swapper/121:57:441
1584099270,26cyclictest0-21swapper/022:30:210
1584699260,25cyclictest0-21swapper/222:35:112
1584699260,20cyclictest0-21swapper/219:25:092
1584399260,25cyclictest0-21swapper/123:14:121
1584399260,25cyclictest0-21swapper/121:34:591
1584099260,25cyclictest0-21swapper/019:22:060
15846992518,7cyclictest0-21swapper/221:02:022
15843992522,2cyclictest0-21swapper/121:14:291
15843992521,3cyclictest0-21swapper/122:48:301
1584099250,14cyclictest0-21swapper/000:00:000
15846992422,2cyclictest0-21swapper/220:54:052
15846992420,3cyclictest0-21swapper/220:24:072
1584699240,23cyclictest0-21swapper/223:12:272
15846992322,1cyclictest0-21swapper/219:10:162
15846992316,7cyclictest0-21swapper/223:19:422
1584699231,21cyclictest0-21swapper/222:32:392
1584699231,21cyclictest0-21swapper/220:00:292
1584699230,23cyclictest0-21swapper/220:39:442
15843992321,2cyclictest0-21swapper/100:36:071
15843992321,2cyclictest0-21swapper/100:36:071
15846992218,2cyclictest749-21snmpd00:00:182
15846992218,2cyclictest24475-21sadc23:35:002
1584699220,21cyclictest0-21swapper/219:50:302
15843992220,2cyclictest0-21swapper/123:46:241
15843992220,2cyclictest0-21swapper/123:31:181
15843992220,2cyclictest0-21swapper/120:46:241
15843992220,2cyclictest0-21swapper/120:33:251
15843992220,2cyclictest0-21swapper/100:08:071
15843992218,3cyclictest0-21swapper/122:59:301
15843992218,3cyclictest0-21swapper/122:26:301
15843992218,3cyclictest0-21swapper/120:13:231
1584399220,21cyclictest0-21swapper/122:17:271
1584399220,21cyclictest0-21swapper/120:15:041
1584399220,21cyclictest0-21swapper/119:32:341
1584399220,21cyclictest0-21swapper/119:21:431
1584399220,21cyclictest0-21swapper/100:29:451
1584399220,21cyclictest0-21swapper/100:11:211
15846992118,3cyclictest0-21swapper/219:20:522
15846992118,2cyclictest749-21snmpd20:56:582
15846992118,2cyclictest749-21snmpd19:37:122
15846992118,2cyclictest749-21snmpd00:29:482
15846992117,3cyclictest0-21swapper/222:10:382
15846992117,2cyclictest5044-21sadc00:15:002
1584699211,3cyclictest0-21swapper/221:57:082
1584699210,20cyclictest0-21swapper/223:58:522
1584699210,20cyclictest0-21swapper/222:25:272
1584699210,20cyclictest0-21swapper/220:46:162
1584699210,20cyclictest0-21swapper/219:40:302
15843992119,2cyclictest0-21swapper/123:43:541
15843992119,2cyclictest0-21swapper/120:35:501
15843992119,2cyclictest0-21swapper/120:23:471
15843992119,2cyclictest0-21swapper/119:42:061
15843992118,3cyclictest0-21swapper/122:32:181
15843992117,3cyclictest0-21swapper/123:27:091
15843992117,3cyclictest0-21swapper/123:22:301
15843992117,3cyclictest0-21swapper/122:22:051
15843992117,3cyclictest0-21swapper/120:50:291
1584399210,20cyclictest0-21swapper/123:56:511
1584399210,20cyclictest0-21swapper/122:51:421
1584399210,20cyclictest0-21swapper/122:14:001
1584399210,20cyclictest0-21swapper/122:03:271
1584399210,20cyclictest0-21swapper/121:54:571
1584399210,20cyclictest0-21swapper/121:20:561
1584399210,20cyclictest0-21swapper/120:40:521
1584399210,20cyclictest0-21swapper/119:55:561
1584399210,20cyclictest0-21swapper/119:50:271
1584399210,20cyclictest0-21swapper/119:16:181
1584399210,20cyclictest0-21swapper/119:12:011
1584399210,20cyclictest0-21swapper/100:34:201
1584399210,20cyclictest0-21swapper/100:04:241
1584099210,20cyclictest0-21swapper/023:36:270
1584099210,20cyclictest0-21swapper/021:55:120
1584699205,14cyclictest0-21swapper/220:31:092
15846992018,2cyclictest0-21swapper/220:25:592
15846992018,1cyclictest749-21snmpd22:43:362
15846992018,1cyclictest749-21snmpd00:38:552
15846992018,1cyclictest749-21snmpd00:38:552
15846992018,1cyclictest0-21swapper/223:45:242
15846992017,2cyclictest749-21snmpd00:17:542
15846992016,3cyclictest0-21swapper/222:01:512
15846992016,3cyclictest0-21swapper/200:33:002
1584699200,2cyclictest0-21swapper/223:51:242
1584699200,2cyclictest0-21swapper/223:25:392
1584699200,2cyclictest0-21swapper/221:26:262
1584699200,2cyclictest0-21swapper/221:13:052
1584699200,20cyclictest0-21swapper/223:43:242
1584699200,19cyclictest0-21swapper/221:31:072
15843992018,2cyclictest0-21swapper/123:15:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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